F(x)=3x^4+20x^3+5x^2+80x-28

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Solution for F(x)=3x^4+20x^3+5x^2+80x-28 equation: 


Simplifying
F(x) = 3x4 + 20x3 + 5x2 + 80x + -28

Multiply F * x
xF = 3x4 + 20x3 + 5x2 + 80x + -28

Reorder the terms:
xF = -28 + 80x + 5x2 + 20x3 + 3x4

Solving
xF = -28 + 80x + 5x2 + 20x3 + 3x4

Solving for variable 'x'.

Reorder the terms:
28 + -80x + xF + -5x2 + -20x3 + -3x4 = -28 + 80x + 5x2 + 20x3 + 3x4 + 28 + -80x + -5x2 + -20x3 + -3x4

Reorder the terms:
28 + -80x + xF + -5x2 + -20x3 + -3x4 = -28 + 28 + 80x + -80x + 5x2 + -5x2 + 20x3 + -20x3 + 3x4 + -3x4

Combine like terms: -28 + 28 = 0
28 + -80x + xF + -5x2 + -20x3 + -3x4 = 0 + 80x + -80x + 5x2 + -5x2 + 20x3 + -20x3 + 3x4 + -3x4
28 + -80x + xF + -5x2 + -20x3 + -3x4 = 80x + -80x + 5x2 + -5x2 + 20x3 + -20x3 + 3x4 + -3x4

Combine like terms: 80x + -80x = 0
28 + -80x + xF + -5x2 + -20x3 + -3x4 = 0 + 5x2 + -5x2 + 20x3 + -20x3 + 3x4 + -3x4
28 + -80x + xF + -5x2 + -20x3 + -3x4 = 5x2 + -5x2 + 20x3 + -20x3 + 3x4 + -3x4

Combine like terms: 5x2 + -5x2 = 0
28 + -80x + xF + -5x2 + -20x3 + -3x4 = 0 + 20x3 + -20x3 + 3x4 + -3x4
28 + -80x + xF + -5x2 + -20x3 + -3x4 = 20x3 + -20x3 + 3x4 + -3x4

Combine like terms: 20x3 + -20x3 = 0
28 + -80x + xF + -5x2 + -20x3 + -3x4 = 0 + 3x4 + -3x4
28 + -80x + xF + -5x2 + -20x3 + -3x4 = 3x4 + -3x4

Combine like terms: 3x4 + -3x4 = 0
28 + -80x + xF + -5x2 + -20x3 + -3x4 = 0

The solution to this equation could not be determined.

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